TY  - GEN
AU  - Edwards, Chris.
AU  - John Ward 
AU  -  Andy  Bytheway. 
TI  - The Essence of Information Systems / 
SN  - 812031056x
U1  - 658.403801  22
PY  - 1996///
CY  - New Delhi
PB  - Prentice Hall
KW  - Information systems;
N1  - Includes Indexes (p. 206-211)
ER  -